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View Full Version : Brain Teaser #21


Greg Bernhardt
Jul19-03, 01:03 AM
An ellipse on the xy-plane has foci at (-41, 23) and (115, 42). The ellipse is tangent to the x-axis. What is the length of the major axis of the ellipse?

teddy
Jul19-03, 01:48 AM
169

Greg Bernhardt
Jul19-03, 01:56 AM
point for teddy!